53391775

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 68023424

約数和(自身を除く): 14631649

約数列:

[1, 5, 25, 61, 157, 223, 305, 785, 1115, 1525, 3925, 5575, 9577, 13603, 35011, 47885, 68015, 175055, 239425, 340075, 875275, 2135671, 10678355, 53391775]

約数ペア:

[(1, 53391775), (5, 10678355), (25, 2135671), (61, 875275), (157, 340075), (223, 239425), (305, 175055), (785, 68015), (1115, 47885), (1525, 35011), (3925, 13603), (5575, 9577)]